package first.demo;

import java.util.Arrays;

public class secret {
    public static void main(String[] args) {
        /*String str="gndk€rlqhmtkwwp}z";
        char c[]=str.toCharArray();
        for (int i=0;i<str.length();i++)
        {
            c[i]=(char) (c[i]-(i+1));
            System.out.print(c[i]);
        }*/
        /*int sum=0;
        int[][] num = new int[][]{
                {2, 1, 3},
                {2, 1},
                {1,3,4,7}
        };
        for(int i=0;i<num.length;i++)
            for (int j=0;j<num[i].length;j++)
                sum+=num[i][j];

        System.out.println(sum);*/
        int[] a=null;
        char[] b=null;
        System.out.println(a[0]);
        System.out.println(b[0]);
    }
}
